Additional Resources: Product Page 3D Model PCB Footprint datdatee 07/16/2021 pagepage 1 of 61 of 6 SERIES: PQM3-M DESCRIPTION: DC-DC CONVERTER FEATURES 3 W isolated output smaller package single regulated output 1,500 Vdc isolation continuous short circuit temperature range (-40~105C) high efficiency at light load high power density high vibration tolerance efficiency up to 81% input output output output ripple efficiency MODEL 1 voltage voltage current power and noise typ range min max max max typ (Vdc) (Vdc) (Vdc) (mA) (mA) (W) (mVp-p) (%) PQM3-D12-S5-M 12 9~18 5 30 600 3 60 75 PQM3-D12-S12-M 12 9~18 12 12 250 3 60 77 PQM3-D12-S15-M 12 9~18 15 10 200 3 60 79 PQM3-D24-S5-M 24 18~36 5 30 600 3 60 76 PQM3-D24-S12-M 24 18~36 12 12 250 3 60 81 PQM3-D24-S15-M 24 18~36 15 10 200 3 60 80 PQM3-D48-S5-M 48 36~75 5 30 600 3 60 77 PQM3-D48-S12-M 48 36~75 12 12 250 3 60 80 PQM3-D48-S15-M 48 36~75 15 10 200 3 60 80 Notes: 1. Ripple and noise are measured at 20 MHz BW by parallel cable method with 1 F ceramic and 10 F electrolytic capacitors on the output. PART NUMBER KEY PQM3 - DXX - SXX - M - X Base Number Input Voltage Output Voltage Packaging Style Package Options SMTblan = standard TR = Tape & Reel cui.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Inc SERIES: PQM3-M DESCRIPTION: DC-DC CONVERTER date 07/16/2021 page 2 of 6 INPUT parameter conditions/description min typ max units 12 V input models 9 12 18 Vdc operating input voltage 24 V input models 18 24 36 Vdc 48 V input models 36 48 75 Vdc 12 V input models 4.5 8 9 Vdc start-up voltage 24 V input models 11 16 18 Vdc 48 V input models 24 33 36 Vdc for maximum of 1 second 12 V input models -0.7 25 Vdc surge voltage 24 V input models -0.7 50 Vdc 48 V input models -0.7 100 Vdc filter pi filter OUTPUT parameter conditions/description min typ max units line regulation full load, input voltage from low to high 0.2 0.4 % load regulation 5% to 100% load 0.2 0.75 % voltage accuracy 5% to 100% load 1 3 % 5V models 1.5 5 % no-load output voltage accuracy all other models 1.5 3 % switching frequency 100% load, nominal input voltage (PFM mode) 350 KHz transient recovery time 25% load step change 0.5 1 ms transient response deviation 25% load step change 2 5 % temperature coeffecient 100% load 0.02 0.03 %/C PROTECTIONS parameter conditions/description min typ max units short circuit protection continuous, automatic recovery SAFETY AND COMPLIANCE parameter conditions/description min typ max units isolation voltage for 1 minute at 1 mA max. 1,500 Vdc isolation resistance at 500 Vdc 1,000 M conducted emissions CISPR22/EN55022, class B (external circuit required, see Figure 1-b) radiated emissions CISPR22/EN55022, class B (external circuit required, see Figure 1-b) ESD IEC/EN61000-4-2, class B, contact 4kV radiated immunity IEC/EN61000-4-3, class A, 10V/m EFT/burst IEC/EN61000-4-4, class B, 2kV (external circuit required, see Figure 1-a) surge IEC/EN61000-4-5, class B, 2kV (external circuit required, see Figure 1-a) conducted immunity IEC/EN61000-4-6, class A, 3 Vr.m.s voltage dips & interruptions IEC/EN61000-4-29, class B, 0%-70% MTBF as per MIL-HDBK-217F 25C 1,000,000 hours RoHS 2011/65/EU cui.com